cve-2025-30204
Vulnerability from cvelistv5
Published
2025-03-21 21:42
Modified
2025-04-10 13:03
Severity ?
EPSS score ?
Summary
jwt-go allows excessive memory allocation during header parsing
References
Impacted products
▼ | Vendor | Product |
---|---|---|
golang-jwt | jwt |
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Starting in version 3.2.0 and prior to versions 5.2.2 and 4.5.2, the function parse.ParseUnverified splits (via a call to strings.Split) its argument (which is untrusted data) on periods. As a result, in the face of a malicious request whose Authorization header consists of Bearer followed by many period characters, a call to that function incurs allocations to the tune of O(n) bytes (where n stands for the length of the function\u0027s argument), with a constant factor of about 16. This issue is fixed in 5.2.2 and 4.5.2." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-405", "description": "CWE-405: Asymmetric Resource Consumption (Amplification)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2025-04-10T13:03:19.897Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/golang-jwt/jwt/security/advisories/GHSA-mh63-6h87-95cp", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/golang-jwt/jwt/security/advisories/GHSA-mh63-6h87-95cp" }, { "name": "https://github.com/golang-jwt/jwt/commit/0951d184286dece21f73c85673fd308786ffe9c3", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/golang-jwt/jwt/commit/0951d184286dece21f73c85673fd308786ffe9c3" }, { "name": "https://github.com/golang-jwt/jwt/commit/bf316c48137a1212f8d0af9288cc9ce8e59f1afb", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/golang-jwt/jwt/commit/bf316c48137a1212f8d0af9288cc9ce8e59f1afb" } ], "source": { "advisory": "GHSA-mh63-6h87-95cp", "discovery": "UNKNOWN" }, "title": "jwt-go allows excessive memory allocation during header parsing" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2025-30204", "datePublished": "2025-03-21T21:42:01.382Z", "dateReserved": "2025-03-18T18:15:13.849Z", "dateUpdated": "2025-04-10T13:03:19.897Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-30204\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2025-03-21T22:15:26.420\",\"lastModified\":\"2025-04-10T13:15:52.097\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"golang-jwt is a Go implementation of JSON Web Tokens. Starting in version 3.2.0 and prior to versions 5.2.2 and 4.5.2, the function parse.ParseUnverified splits (via a call to strings.Split) its argument (which is untrusted data) on periods. As a result, in the face of a malicious request whose Authorization header consists of Bearer followed by many period characters, a call to that function incurs allocations to the tune of O(n) bytes (where n stands for the length of the function\u0027s argument), with a constant factor of about 16. This issue is fixed in 5.2.2 and 4.5.2.\"},{\"lang\":\"es\",\"value\":\"golang-jwt es una implementaci\u00f3n de Go de tokens web JSON. En versiones anteriores a la 5.2.2 y la 4.5.2, la funci\u00f3n parse.ParseUnverified divide (mediante una llamada a strings.Split) su argumento (que contiene datos no confiables) en puntos. Como resultado, ante una solicitud maliciosa cuyo encabezado de autorizaci\u00f3n consiste en \\\"Bearer\\\" seguido de muchos puntos, una llamada a dicha funci\u00f3n genera asignaciones de O(n) bytes (donde n representa la longitud del argumento de la funci\u00f3n), con un factor constante de aproximadamente 16. Este problema se solucion\u00f3 en las versiones 5.2.2 y 4.5.2.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-405\"}]}],\"references\":[{\"url\":\"https://github.com/golang-jwt/jwt/commit/0951d184286dece21f73c85673fd308786ffe9c3\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/golang-jwt/jwt/commit/bf316c48137a1212f8d0af9288cc9ce8e59f1afb\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/golang-jwt/jwt/security/advisories/GHSA-mh63-6h87-95cp\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20250404-0002/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.